Will the invasion of strong mutant strains and the cancellation of nucleic acid testing of imported non-cold chain items lead to a rebound in the epidemic?
President of the Chinese Academy of Sciences: Newly elected academicians should enhance their sense of responsibility and urgency in building a scientific and technological power
The maximum length of the sharp-toothed shark is only 1 meter. Internet celebrity eats and broadcasts the great white shark and lied about it. The police have intervened in the investigation.